2301201233121 has 96 divisors (see below), whose sum is σ = 3763158310912. Its totient is φ = 1224543640320.

The previous prime is 2301201233041. The next prime is 2301201233161. The reversal of 2301201233121 is 1213321021032.

It is not a de Polignac number, because 2301201233121 - 2¹⁷ = 2301201102049 is a prime.

It is a super-2 number, since 2×2301201233121² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2301201233161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 149508336 + ... + 149523726.

Almost surely, 2^{2301201233121} is an apocalyptic number.

2301201233121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2301201233121 is a deficient number, since it is larger than the sum of its proper divisors (1461957077791).

2301201233121 is a wasteful number, since it uses less digits than its factorization.

2301201233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15803 (or 15780 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2301201233121 its reverse (1213321021032), we get a palindrome (3514522254153).

The spelling of 2301201233121 in words is "two trillion, three hundred one billion, two hundred one million, two hundred thirty-three thousand, one hundred twenty-one".